Ackman's Hedge Fund, Which Placed $1 Billion Bet Against Herbalife in 2012, Still Insists Company 'Will Be Shut Down by Regulators'

Herbalife Ltd. said its new auditor has given it a clean bill of health—a development that could represent bad news for William Ackman, the prominent hedge-fund manager betting against Herbalife's stock.

The nutritional-supplements company said PricewaterhouseCoopers LLP, which took over as its auditor in May, has completed its reaudit of...